1 | /* |
2 | * Copyright (C) 2016 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #if ENABLE(INDEXED_DATABASE) |
29 | |
30 | #include "ThreadSafeDataBuffer.h" |
31 | #include <pal/SessionID.h> |
32 | #include <wtf/text/WTFString.h> |
33 | |
34 | namespace WebCore { |
35 | |
36 | class SerializedScriptValue; |
37 | |
38 | class IDBValue { |
39 | WTF_MAKE_FAST_ALLOCATED; |
40 | public: |
41 | WEBCORE_EXPORT IDBValue(); |
42 | IDBValue(const SerializedScriptValue&); |
43 | IDBValue(const ThreadSafeDataBuffer&); |
44 | IDBValue(const SerializedScriptValue&, const Vector<String>& blobURLs, const PAL::SessionID&, const Vector<String>& blobFilePaths); |
45 | IDBValue(const ThreadSafeDataBuffer&, Vector<String>&& blobURLs, const PAL::SessionID&, Vector<String>&& blobFilePaths); |
46 | IDBValue(const ThreadSafeDataBuffer&, const Vector<String>& blobURLs, const PAL::SessionID&, const Vector<String>& blobFilePaths); |
47 | |
48 | void setAsIsolatedCopy(const IDBValue&); |
49 | IDBValue isolatedCopy() const; |
50 | |
51 | const ThreadSafeDataBuffer& data() const { return m_data; } |
52 | const Vector<String>& blobURLs() const { return m_blobURLs; } |
53 | const PAL::SessionID& sessionID() const { return m_sessionID; } |
54 | const Vector<String>& blobFilePaths() const { return m_blobFilePaths; } |
55 | |
56 | template<class Encoder> void encode(Encoder&) const; |
57 | template<class Decoder> static Optional<IDBValue> decode(Decoder&); |
58 | |
59 | private: |
60 | ThreadSafeDataBuffer m_data; |
61 | Vector<String> m_blobURLs; |
62 | PAL::SessionID m_sessionID; |
63 | Vector<String> m_blobFilePaths; |
64 | }; |
65 | |
66 | |
67 | template<class Encoder> |
68 | void IDBValue::encode(Encoder& encoder) const |
69 | { |
70 | encoder << m_data; |
71 | encoder << m_blobURLs; |
72 | encoder << m_sessionID; |
73 | encoder << m_blobFilePaths; |
74 | } |
75 | |
76 | template<class Decoder> |
77 | Optional<IDBValue> IDBValue::decode(Decoder& decoder) |
78 | { |
79 | IDBValue result; |
80 | if (!decoder.decode(result.m_data)) |
81 | return WTF::nullopt; |
82 | |
83 | if (!decoder.decode(result.m_blobURLs)) |
84 | return WTF::nullopt; |
85 | |
86 | if (!decoder.decode(result.m_sessionID)) |
87 | return WTF::nullopt; |
88 | |
89 | if (!decoder.decode(result.m_blobFilePaths)) |
90 | return WTF::nullopt; |
91 | |
92 | return result; |
93 | } |
94 | |
95 | } // namespace WebCore |
96 | |
97 | #endif // ENABLE(INDEXED_DATABASE) |
98 | |